Home / 109,949.18-151,746.14-69,666.69

Finding the Fourth Proportional to 109,949.18, 151,746.14 and 69,666.69

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Solution

The fourth proportional to 109,949.18, 151,746.14 and 69,666.69 is: 96,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.18 : 151,746.14 = 69,666.69 : x
  2. Step 2: Convert to fraction form
    109,949.18/151,746.14 = 69,666.69/x
  3. Step 3: Cross multiply
    109,949.18x = 151,746.14 × 69,666.69
  4. Step 4: Simplify right side
    109,949.18x = 10,571,650,756.93
  5. Step 5: Solve for x
    x = 10,571,650,756.93/109,949.18
  6. Step 6: Final answer
    x = 96,150.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.